Re: [Xen-devel] [PATCH v2 0/6] xen/PMU: PMU support for Xen PV guests

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 06/06/14 18:44, Boris Ostrovsky wrote:
> (This is the second version of the series. The first one was posted long
> time ago and there are too many changes to list.)
> 
> This is the Linux side of Xen PMU support for PV(H) guests, including
> dom0. Only kernel changes are here, toolstack patch will be provided
> separately.
> 
> Here is description from the hypervisor patch submission that applies
> to this series as well:
> 
> This version has following limitations:
> * For accurate profiling of dom0/Xen dom0 VCPUs should be pinned.
> * Hypervisor code is only profiled on processors that have running dom0 VCPUs
> on them.
> * No backtrace support.

I think there needs to be a plausible plan for how to resolve these
limitations.

David

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel